1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Google Gru-Chromebook shared properties
4 *
5 * Copyright 2018 Google, Inc
6 */
7
8#include "rk3399-gru.dtsi"
9
10/ {
11	pp900_ap: pp900-ap {
12		compatible = "regulator-fixed";
13		regulator-name = "pp900_ap";
14
15		/* EC turns on w/ pp900_ap_en; always on for AP */
16		regulator-always-on;
17		regulator-boot-on;
18		regulator-min-microvolt = <900000>;
19		regulator-max-microvolt = <900000>;
20
21		vin-supply = <&ppvar_sys>;
22	};
23
24	/* EC turns on w/ pp900_usb_en */
25	pp900_usb: pp900-ap {
26	};
27
28	/* EC turns on w/ pp900_pcie_en */
29	pp900_pcie: pp900-ap {
30	};
31
32	pp3000: pp3000 {
33		compatible = "regulator-fixed";
34		regulator-name = "pp3000";
35		pinctrl-names = "default";
36		pinctrl-0 = <&pp3000_en>;
37
38		enable-active-high;
39		gpio = <&gpio0 12 GPIO_ACTIVE_HIGH>;
40
41		regulator-always-on;
42		regulator-boot-on;
43		regulator-min-microvolt = <3000000>;
44		regulator-max-microvolt = <3000000>;
45
46		vin-supply = <&ppvar_sys>;
47	};
48
49	ppvar_centerlogic_pwm: ppvar-centerlogic-pwm {
50		compatible = "pwm-regulator";
51		regulator-name = "ppvar_centerlogic_pwm";
52
53		pwms = <&pwm3 0 3337 0>;
54		pwm-supply = <&ppvar_sys>;
55		pwm-dutycycle-range = <100 0>;
56		pwm-dutycycle-unit = <100>;
57
58		/* EC turns on w/ ppvar_centerlogic_en; always on for AP */
59		regulator-always-on;
60		regulator-boot-on;
61		regulator-min-microvolt = <799434>;
62		regulator-max-microvolt = <1049925>;
63	};
64
65	ppvar_centerlogic: ppvar-centerlogic {
66		compatible = "vctrl-regulator";
67		regulator-name = "ppvar_centerlogic";
68
69		regulator-min-microvolt = <799434>;
70		regulator-max-microvolt = <1049925>;
71
72		ctrl-supply = <&ppvar_centerlogic_pwm>;
73		ctrl-voltage-range = <799434 1049925>;
74
75		regulator-settling-time-up-us = <378>;
76		min-slew-down-rate = <225>;
77		ovp-threshold-percent = <16>;
78	};
79
80	/* Schematics call this PPVAR even though it's fixed */
81	ppvar_logic: ppvar-logic {
82		compatible = "regulator-fixed";
83		regulator-name = "ppvar_logic";
84
85		/* EC turns on w/ ppvar_logic_en; always on for AP */
86		regulator-always-on;
87		regulator-boot-on;
88		regulator-min-microvolt = <900000>;
89		regulator-max-microvolt = <900000>;
90
91		vin-supply = <&ppvar_sys>;
92	};
93
94	pp1800_audio: pp1800-audio {
95		compatible = "regulator-fixed";
96		regulator-name = "pp1800_audio";
97		pinctrl-names = "default";
98		pinctrl-0 = <&pp1800_audio_en>;
99
100		enable-active-high;
101		gpio = <&gpio0 2 GPIO_ACTIVE_HIGH>;
102
103		regulator-always-on;
104		regulator-boot-on;
105
106		vin-supply = <&pp1800>;
107	};
108
109	/* gpio is shared with pp3300_wifi_bt */
110	pp1800_pcie: pp1800-pcie {
111		compatible = "regulator-fixed";
112		regulator-name = "pp1800_pcie";
113		pinctrl-names = "default";
114		pinctrl-0 = <&wlan_module_pd_l>;
115
116		enable-active-high;
117		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
118
119		/*
120		 * Need to wait 1ms + ramp-up time before we can power on WiFi.
121		 * This has been approximated as 8ms total.
122		 */
123		regulator-enable-ramp-delay = <8000>;
124
125		vin-supply = <&pp1800>;
126	};
127
128	/* Always on; plain and simple */
129	pp3000_ap: pp3000_emmc: pp3000 {
130	};
131
132	pp1500_ap_io: pp1500-ap-io {
133		compatible = "regulator-fixed";
134		regulator-name = "pp1500_ap_io";
135		pinctrl-names = "default";
136		pinctrl-0 = <&pp1500_en>;
137
138		enable-active-high;
139		gpio = <&gpio0 10 GPIO_ACTIVE_HIGH>;
140
141		regulator-always-on;
142		regulator-boot-on;
143		regulator-min-microvolt = <1500000>;
144		regulator-max-microvolt = <1500000>;
145
146		vin-supply = <&pp1800>;
147	};
148
149	pp3300_disp: pp3300-disp {
150		compatible = "regulator-fixed";
151		regulator-name = "pp3300_disp";
152		pinctrl-names = "default";
153		pinctrl-0 = <&pp3300_disp_en>;
154
155		enable-active-high;
156		gpio = <&gpio4 27 GPIO_ACTIVE_HIGH>;
157
158		startup-delay-us = <2000>;
159		vin-supply = <&pp3300>;
160	};
161
162	/* EC turns on w/ pp3300_usb_en_l */
163	pp3300_usb: pp3300 {
164	};
165
166	/* gpio is shared with pp1800_pcie and pinctrl is set there */
167	pp3300_wifi_bt: pp3300-wifi-bt {
168		compatible = "regulator-fixed";
169		regulator-name = "pp3300_wifi_bt";
170
171		enable-active-high;
172		gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
173
174		vin-supply = <&pp3300>;
175	};
176
177	/*
178	 * This is a bit of a hack. The WiFi module should be reset at least
179	 * 1ms after its regulators have ramped up (max rampup time is ~7ms).
180	 * With some stretching of the imagination, we can call the 1.8V
181	 * regulator a supply.
182	 */
183	wlan_pd_n: wlan-pd-n {
184		compatible = "regulator-fixed";
185		regulator-name = "wlan_pd_n";
186		pinctrl-names = "default";
187		pinctrl-0 = <&wlan_module_reset_l>;
188
189		enable-active-high;
190		gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
191
192		vin-supply = <&pp1800_pcie>;
193	};
194
195	backlight: backlight {
196		compatible = "pwm-backlight";
197		enable-gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
198		power-supply = <&pp3300_disp>;
199		pinctrl-names = "default";
200		pinctrl-0 = <&bl_en>;
201		pwm-delay-us = <10000>;
202	};
203
204	gpio_keys: gpio-keys {
205		compatible = "gpio-keys";
206		pinctrl-names = "default";
207		pinctrl-0 = <&bt_host_wake_l>;
208
209		wake_on_bt: wake-on-bt {
210			label = "Wake-on-Bluetooth";
211			gpios = <&gpio0 3 GPIO_ACTIVE_LOW>;
212			linux,code = <KEY_WAKEUP>;
213			wakeup-source;
214		};
215	};
216};
217
218&ppvar_bigcpu {
219	min-slew-down-rate = <225>;
220	ovp-threshold-percent = <16>;
221};
222
223&ppvar_litcpu {
224	min-slew-down-rate = <225>;
225	ovp-threshold-percent = <16>;
226};
227
228&ppvar_gpu {
229	min-slew-down-rate = <225>;
230	ovp-threshold-percent = <16>;
231};
232
233&cdn_dp {
234	extcon = <&usbc_extcon0>, <&usbc_extcon1>;
235};
236
237&edp {
238	status = "okay";
239
240	ports {
241		edp_out: port@1 {
242			reg = <1>;
243			#address-cells = <1>;
244			#size-cells = <0>;
245
246			edp_out_panel: endpoint@0 {
247				reg = <0>;
248				remote-endpoint = <&panel_in_edp>;
249			};
250		};
251	};
252};
253
254&gpio0 {
255	gpio-line-names = /* GPIO0 A 0-7 */
256			  "AP_RTC_CLK_IN",
257			  "EC_AP_INT_L",
258			  "PP1800_AUDIO_EN",
259			  "BT_HOST_WAKE_L",
260			  "WLAN_MODULE_PD_L",
261			  "H1_INT_OD_L",
262			  "CENTERLOGIC_DVS_PWM",
263			  "",
264
265			  /* GPIO0 B 0-4 */
266			  "WIFI_HOST_WAKE_L",
267			  "PMUIO2_33_18_L",
268			  "PP1500_EN",
269			  "AP_EC_WARM_RESET_REQ",
270			  "PP3000_EN";
271};
272
273&gpio1 {
274	gpio-line-names = /* GPIO1 A 0-7 */
275			  "",
276			  "",
277			  "SPK_PA_EN",
278			  "",
279			  "TRACKPAD_INT_L",
280			  "AP_EC_S3_S0_L",
281			  "AP_EC_OVERTEMP",
282			  "AP_SPI_FLASH_MISO",
283
284			  /* GPIO1 B 0-7 */
285			  "AP_SPI_FLASH_MOSI_R",
286			  "AP_SPI_FLASH_CLK_R",
287			  "AP_SPI_FLASH_CS_L_R",
288			  "WLAN_MODULE_RESET_L",
289			  "WIFI_DISABLE_L",
290			  "MIC_INT",
291			  "",
292			  "AP_I2C_DVS_SDA",
293
294			  /* GPIO1 C 0-7 */
295			  "AP_I2C_DVS_SCL",
296			  "AP_BL_EN",
297			  /*
298			   * AP_FLASH_WP is crossystem ABI. Schematics call it
299			   * AP_FW_WP or CPU1_FW_WP, depending on the variant.
300			   */
301			  "AP_FLASH_WP",
302			  "LITCPU_DVS_PWM",
303			  "AP_I2C_AUDIO_SDA",
304			  "AP_I2C_AUDIO_SCL",
305			  "",
306			  "HEADSET_INT_L";
307};
308
309&gpio2 {
310	gpio-line-names = /* GPIO2 A 0-7 */
311			  "",
312			  "",
313			  "SD_IO_PWR_EN",
314			  "",
315			  "",
316			  "",
317			  "",
318			  "",
319
320			  /* GPIO2 B 0-7 */
321			  "",
322			  "",
323			  "",
324			  "",
325			  "",
326			  "",
327			  "",
328			  "",
329
330			  /* GPIO2 C 0-7 */
331			  "",
332			  "",
333			  "",
334			  "",
335			  "AP_SPI_EC_MISO",
336			  "AP_SPI_EC_MOSI",
337			  "AP_SPI_EC_CLK",
338			  "AP_SPI_EC_CS_L",
339
340			  /* GPIO2 D 0-4 */
341			  "BT_DEV_WAKE_L",
342			  "",
343			  "WIFI_PCIE_CLKREQ_L",
344			  "WIFI_PERST_L",
345			  "SD_PWR_3000_1800_L";
346};
347
348&gpio3 {
349	gpio-line-names = /* GPIO3 A 0-7 */
350			  "",
351			  "",
352			  "",
353			  "",
354			  "AP_SPI_TPM_MISO",
355			  "AP_SPI_TPM_MOSI_R",
356			  "AP_SPI_TPM_CLK_R",
357			  "AP_SPI_TPM_CS_L_R",
358
359			  /* GPIO3 B 0-7 */
360			  "EC_IN_RW",
361			  "",
362			  "AP_I2C_TP_SDA",
363			  "AP_I2C_TP_SCL",
364			  "AP_I2C_TP_PU_EN",
365			  "TOUCH_INT_L",
366			  "",
367			  "",
368
369			  /* GPIO3 C 0-7 */
370			  "",
371			  "",
372			  "",
373			  "",
374			  "",
375			  "",
376			  "",
377			  "",
378
379			  /* GPIO3 D 0-7 */
380			  "I2S0_SCLK",
381			  "I2S0_LRCK_RX",
382			  "I2S0_LRCK_TX",
383			  "I2S0_SDI_0",
384			  "I2S0_SDI_1",
385			  "",
386			  "I2S0_SDO_1",
387			  "I2S0_SDO_0";
388};
389
390&gpio4 {
391	gpio-line-names = /* GPIO4 A 0-7 */
392			  "I2S_MCLK",
393			  "AP_I2C_MIC_SDA",
394			  "AP_I2C_MIC_SCL",
395			  "",
396			  "",
397			  "",
398			  "",
399			  "",
400
401			  /* GPIO4 B 0-7 */
402			  "",
403			  "",
404			  "",
405			  "",
406			  "",
407			  "",
408			  "",
409			  "",
410
411			  /* GPIO4 C 0-7 */
412			  "AP_I2C_TS_SDA",
413			  "AP_I2C_TS_SCL",
414			  "GPU_DVS_PWM",
415			  "UART_DBG_TX_AP_RX",
416			  "UART_AP_TX_DBG_RX",
417			  "",
418			  "BIGCPU_DVS_PWM",
419			  "EDP_HPD_3V0",
420
421			  /* GPIO4 D 0-5 */
422			  "SD_CARD_DET_L",
423			  "USB_DP_HPD",
424			  "TOUCH_RESET_L",
425			  "PP3300_DISP_EN",
426			  "",
427			  "SD_SLOT_PWR_EN";
428};
429
430ap_i2c_mic: &i2c1 {
431	status = "okay";
432
433	clock-frequency = <400000>;
434
435	/* These are relatively safe rise/fall times */
436	i2c-scl-falling-time-ns = <50>;
437	i2c-scl-rising-time-ns = <300>;
438
439	headsetcodec: rt5514@57 {
440		compatible = "realtek,rt5514";
441		reg = <0x57>;
442		realtek,dmic-init-delay-ms = <20>;
443	};
444};
445
446ap_i2c_tp: &i2c5 {
447	status = "okay";
448
449	clock-frequency = <400000>;
450
451	/* These are relatively safe rise/fall times */
452	i2c-scl-falling-time-ns = <50>;
453	i2c-scl-rising-time-ns = <300>;
454
455	/*
456	 * Note strange pullup enable.  Apparently this avoids leakage but
457	 * still allows us to get nice 4.7K pullups for high speed i2c
458	 * transfers.  Basically we want the pullup on whenever the ap is
459	 * alive, so the "en" pin just gets set to output high.
460	 */
461	pinctrl-0 = <&i2c5_xfer &ap_i2c_tp_pu_en>;
462};
463
464&cros_ec {
465	cros_ec_pwm: pwm {
466		compatible = "google,cros-ec-pwm";
467		#pwm-cells = <1>;
468	};
469
470	usbc_extcon1: extcon1 {
471		compatible = "google,extcon-usbc-cros-ec";
472		google,usb-port-id = <1>;
473	};
474};
475
476&sound {
477	rockchip,codec = <&max98357a &headsetcodec
478			  &codec &wacky_spi_audio &cdn_dp>;
479};
480
481&spi2 {
482	wacky_spi_audio: spi2@0 {
483		compatible = "realtek,rt5514";
484		reg = <0>;
485		interrupt-parent = <&gpio1>;
486		interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
487		pinctrl-names = "default";
488		pinctrl-0 = <&mic_int>;
489		/* May run faster once verified. */
490		spi-max-frequency = <10000000>;
491		wakeup-source;
492	};
493};
494
495&pci_rootport {
496	mvl_wifi: wifi@0,0 {
497		compatible = "pci1b4b,2b42";
498		reg = <0x83010000 0x0 0x00000000 0x0 0x00100000
499		       0x83010000 0x0 0x00100000 0x0 0x00100000>;
500		interrupt-parent = <&gpio0>;
501		interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
502		pinctrl-names = "default";
503		pinctrl-0 = <&wlan_host_wake_l>;
504		wakeup-source;
505	};
506};
507
508&tcphy1 {
509	status = "okay";
510	extcon = <&usbc_extcon1>;
511};
512
513&u2phy1 {
514	status = "okay";
515};
516
517&usb_host0_ehci {
518	status = "okay";
519};
520
521&usb_host1_ehci {
522	status = "okay";
523};
524
525&usb_host1_ohci {
526	status = "okay";
527};
528
529&usbdrd3_1 {
530	status = "okay";
531	extcon = <&usbc_extcon1>;
532};
533
534&usbdrd_dwc3_1 {
535	status = "okay";
536	dr_mode = "host";
537};
538
539&pinctrl {
540	discrete-regulators {
541		pp1500_en: pp1500-en {
542			rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO
543					 &pcfg_pull_none>;
544		};
545
546		pp1800_audio_en: pp1800-audio-en {
547			rockchip,pins = <0 RK_PA2 RK_FUNC_GPIO
548					 &pcfg_pull_down>;
549		};
550
551		pp3000_en: pp3000-en {
552			rockchip,pins = <0 RK_PB4 RK_FUNC_GPIO
553					 &pcfg_pull_none>;
554		};
555
556		pp3300_disp_en: pp3300-disp-en {
557			rockchip,pins = <4 RK_PD3 RK_FUNC_GPIO
558					 &pcfg_pull_none>;
559		};
560
561		wlan_module_pd_l: wlan-module-pd-l {
562			rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO
563					 &pcfg_pull_down>;
564		};
565	};
566};
567
568&wifi {
569	wifi_perst_l: wifi-perst-l {
570		rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
571	};
572
573	wlan_host_wake_l: wlan-host-wake-l {
574		rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
575	};
576};
577